VideoDuck vs PDF Diet Mobile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VideoDuck
This app helps you shrink video file sizes to free up storage space on your device. It offers fast, offline compression without subscriptions or internet connection, allowing for quicker sharing. You can choose custom quality levels and compress multiple videos at once.
- Compress videos instantly
- Free up storage space
- Offline operation
- Faster sharing
- Batch compression
- Custom quality levels
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VideoDuck – Video Compressor & Space Saver Meet VideoDuck, your friendly video compressor that keeps your iPhone fast, light, and free – no subscriptions, no ads, no internet needed. Shrink clips. Free up space. Share faster. VideoDuck compresses videos right on your iPhone using Apple Silicon's hardware encoder. Everything stays private – no uploads, no waiting, no data used. Free, forever • Compress any video with one tap – keep the moment, lose the megabytes • See exactly how much space you freed, every time • 100% on-device – works offline, private by design • Share faster – smaller files fly through AirDrop, messages, and mail • Your originals are always safe – you choose what to keep VideoDuck Pro – one-time unlock, never a subscription • High & Low quality modes – you pick the balance between quality and size • Batch compression – shrink your whole camera roll at once, resumes if interrupted • Advanced controls – resolution cap, frame rate, format Free to use. One payment to unlock everything. Nothing to cancel – ever. Your pocket supercomputer Compression runs entirely on your iPhone – no servers, no cloud, no queue. It's not just fast, it's private by design. Quack. Compress. Done. Free your phone from heavy videos in one tap – your iPhone deserves to breathe again. Download VideoDuck and make space for what matters.
PDF Diet Mobile
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PDF Diet is a fast, privacy-first PDF utility for iPhone and iPad. Compress large, image-heavy documents, clean up pages, and optimize files for sharing—all directly on your device. Why PDF Diet * Fully on-device: no uploads, no cloud, your files stay private * Instant results: quick compression and edits without waiting * Simple UI: focused tools that do the job fast Core Features * Compress PDFs – Reduce file size for email, messengers, and storage * Remove Pages – Delete unwanted pages before sharing * Optimize Files – Clean and streamline documents for better performance * Share Anywhere – Export to Mail, Messages, AirDrop, or any app Use Cases * Send large reports without hitting attachment limits * Save storage on your device * Clean up documents before sending to clients or teammates Built for speed and simplicity, PDF Diet helps you handle PDFs on the go with zero friction.
Screenshots
Verdict
The clearest difference is price: VideoDuck at Free against PDF Diet Mobile's $1.99. VideoDuck also leads on update cadence (daily vs weekly). PDF Diet Mobile's advantage is in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
VideoDuck is free to download; PDF Diet Mobile costs $1.99 up front. VideoDuck sells 1 one-off in-app purchase. PDF Diet Mobile asks for nothing beyond the download.
VideoDuck ships an update daily, PDF Diet Mobile weekly. The most recent releases landed on October 30, 2026 and November 1, 2026 respectively.
| Parameter | VideoDuck | PDF Diet Mobile |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.5 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Daily — better | Weekly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.0 | 17.1 — better |
| Further details — not scored | ||
| Size | 2 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Davyd Horhiashvili | Artem Svitelskyi |
In-app purchases
VideoDuck
- VideoDuck Pro Lifetime$7.99
PDF Diet Mobile
No in-app purchases
Questions
Is VideoDuck free?
Is PDF Diet Mobile free?
Do VideoDuck or PDF Diet Mobile have ads?
Which is updated more often, VideoDuck or PDF Diet Mobile?
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